Exclusion Criteria: Exclusion criteria for participants includes (1) history of low back surgery; (2) recent trauma (i.e. motor vehicle accident, fall, etc. ); (3) receipt of services for low back pain within the last 6 months; (4) non-ambulatory or severely impaired mobility (i.e. use of an assistive device greater than a cane); (5) severe hearing or visual impairment; (6) non-mechanical low back pain; (7) neurological disorder; (8) presence of an acute illness; (9) diagnosis of scoliosis; (10) symptoms related to the back below the knee; (11) presence of a pacemaker; (12) participation in R21 clinical trial ongoing at the UD PT Clinic; or (13) the inability to participate in the study for the full six weeks for any known reason (i.e. moving away, extended vacation). Potential participants will also be excluded if during the evaluation any of the following are found: